Berkeley, California - A new theory says dark matter acts remarkably similar to subatomic particles known to science since the 1930s.

Berkeley, California - he original Americans came from Siberia in a single wave no more than 23,000 years ago, at the height of the last Ice Age, and apparently hung out in the north - perhaps for thousands of years - before spreading in two distinct populations throughout North and South America, according to a new genomic analysis.

Cambridge, Massachusetts - John Leonard’s group in the MIT Department of Mechanical Engineering specializes in SLAM, or simultaneous localization and mapping, the technique whereby mobile autonomous robots map their environments and determine their locations.

Austin, Texas - Researchers in the Cockrell School of Engineering at The University of Texas at Austin are one step closer to delivering smart windows with a new level of energy efficiency, engineering materials that allow windows to reveal light without transferring heat and, conversely, to block light while allowing heat transmission, as described in two new research papers.

Cambridge, Massachusetts - Many human-made pollutants in the environment resist degradation through natural processes, and disrupt hormonal and other systems in mammals and other animals. Removing these toxic materials - which include pesticides and endocrine disruptors such as bisphenol A (BPA) - with existing methods is often expensive and time-consuming.

Washington, DC - Advertisers hoping to sway consumers might want to rethink running spots within media with violent or sexual themes, and might do better if the ads themselves have a G-rating, according to a study published by the American Psychological Association. Instead, violent and sexual media content may impair advertising’s effectiveness and ultimately deter purchasing, the research found.